TY  - BOOK
ED  - 3G E-Learning 
TI  - 3G handy guide: electrician 
SN  - 978-1-68094-907-0
U1  - 621.3 T531t 2019 
PY  - 2019///
CY  - New York, NY
PB  - 3G E-Learning
KW  - Electrical engineering
N1  - Includes references and index
ER  -